cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A163004 Number of n X 4 binary arrays with all 1s connected and a path of 1s from upper left corner to lower right corner.

Table of values

n a(n)
1 1
2 20
3 234
4 2423
5 24455
6 245972
7 2473317
8 24868730
9 250043151
10 2514035445
11 25277060955
12 254144975454
13 2555267942068
14 25691612225457
15 258313003017344
16 2597174783771339
17 26112958991681036
18 262549379235881855

List of values

[1, 20, 234, 2423, 24455, 245972, 2473317, 24868730, 250043151, 2514035445, 25277060955, 254144975454, 2555267942068, 25691612225457, 258313003017344, 2597174783771339, 26112958991681036, 262549379235881855]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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